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Since 1998, DevX has helped people start businesses, build websites, and provide enterprise technology to people globally. Interviewing the likes of Microsoft’s co-founder, Steve Ballmer, the publication brings comprehensive, reliable, and accessible insights to the Internet.
n my inaugural article on how to integrate your .NET applications with external devices, I showed how to display system information using an LCD display. In this article, I will
Frequently, and especially during development and debugging, you want to write out the values of a variable. To distinguish these variables, label them by putting this directive in: #define PUTOUT(x)
Using the column index to hide columns in a DataGrid can pose a problem if the index changes. Here’s a quick workaround for when the columns are auto-generated. Using column
To display justified text in a table cell, use the HTML tag within the tag with the attribute align set to “justify.” So, instead of using:
nd-user JavaScript bugs would be easier to debug if you had access to the end-user’s computer. Since you don’t, you can do the next best thing: get users to send
XCop is a free code analysis tool (open source) from Microsoft that analyzes managed .NET assemblies. .NET assemblies contain metadata entries that describe the assembly and all its contained types.
f you’re an Oracle PL/SQL developer, you have two familiar needs: Include as much debugging code as possible without risking a performance hit when the code is running in production
hen designing an RFID system, you should first understand and consider two key aspects of turning RFID data into useful information. First, you need a way to convert the raw
n a previous article on Windows Workflow, I discussed the basics of workflow and how workflows can be hosted in your Windows and console applications using the WorkflowRuntime class. In
lot of articles have been written about database concurrency conflict detection and the various ways of handling them. Unfortunately most of these articles, and accompanying solutions, have one major flaw
The following code shows you how to simulate the “ping” command with the J2SE Tiger InetAddress.isReachable method. import java.io.*;import java.net.*;public class reachable{ public static void main(String args[]) { String[] addrs=
You know that you can extract constructors, methods, and variables from a Java class file. Generally, when you use Field fields[] = c.getDeclaredFields( ); where c is initialized using Class
Instead of copying DataRow column by column, the following code copies data in one line from the source to the destination row: DataTable dtDest = new DataTable();dtDest = dsActivity.Tables[0].Clone();foreach(DataRow dr
This PHP function pulls a single field from a single record in the database once the MySQL connection has already been established: function getField($field, $tbl_name, $condition = 1){ $result =
String streams allow reading and writing strings just like cin and cout allow reading standard input and writing standard output. String streams may be used by including . Reading from
art one of this series introduced the first seven common site map navigation problems and their solutions. This part explores more advanced techniques with the final two problems: Hiding unauthorized
he Dictionary class in .NET 2.0’s System.Colllections.Generic namespace provides the ability to create a strongly-typed dictionary where both the Keys and Values collections can accept any object-type. This capability enables
n Part 1 of this article series, you looked at XLinq’s ability to create, modify, and delete XML data. Building on that background, this installment focuses on XLinq’s query features,
an Francisco?At a press event here on August 14, Sun announced plans to open source components of Java SE (Standard Edition) and all of Java ME (Micro Edition) by the
his week Microsoft announced a new?and free?product called XNA Game Studio Express to be released on August 30 that supports the XNA Framework?a game-development framework based on the .NET Framework
ost people would never leave home with their doors and windows unlocked?leaving an invitation for someone to steal their valuable possessions. Neither should they leave the entrances to their personal
n my travels I’ve had a chance to spread the good word of Web control development to many around the country; and I’ve also had a chance to meet many
don’t know about you, but I fight a constant battle with weight. I’m sedentary, writing and coding, 99 percent of the time. The occasional huffing and puffing on the bicycle
am the host of “.NET Rocks!”, an Internet audio talk show for .NET developers online at www.dotnetrocks.com and msdn.microsoft.com/dotnetrocks. My co-host Richard Campbell and I interview the movers and shakers
number of developments over the past 12 months have brought me to a conclusion: Transact SQL (T-SQL) must go. The trusty old workhorse language that powers our SQL Server databases
s an MVP, you are always busy. Even though that is a high-quality problem, it is still a problem. In the past month, I have flown in twelve airplanes, driven
oday’s applications often use XML technology to represent and transfer structured data. You can display the data in an XML document as HTML by applying an XSLT stylesheet transformation to
here’s a good chance that your enterprise applications interact with a database. Testing your application code against a database is important in making sure that your application works as expected.
onversion operators are a dilemma. While they certainly make the usage of certain objects convenient and intuitive, they also compromise type safety, ultimately leading to unexpected runtime behavior. The following
Table(s) holding every day transaction data can grow huge in size over period of time. This not only slows down applications, it also causes database contention leading to maintainence nightmare.A
